package com.hdax.gulimall.product.config;


import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.cache.CacheProperties;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.GenericJackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.StringRedisSerializer;

@EnableConfigurationProperties({CacheProperties.class})
@Configuration
@EnableCaching
public class MyCacheConfiguration {

    @Autowired
    private CacheProperties cacheProperties;


    @Bean
    public RedisCacheConfiguration redisCacheConfiguration(){
        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig();
        //key的序列化
        redisCacheConfiguration=redisCacheConfiguration.serializeKeysWith(RedisSerializationContext.SerializationPair.fromSerializer(new StringRedisSerializer()));
        //值的序列化
        redisCacheConfiguration=redisCacheConfiguration.serializeValuesWith(RedisSerializationContext.SerializationPair.fromSerializer(new GenericJackson2JsonRedisSerializer()));


        /**
         * 读取rediscache的配置内容
         */
        CacheProperties.Redis redisProperties = cacheProperties.getRedis();

        if (redisProperties.getTimeToLive() != null) {
            redisCacheConfiguration = redisCacheConfiguration.entryTtl(redisProperties.getTimeToLive());
        }
        if (redisProperties.getKeyPrefix() != null) {
            redisCacheConfiguration = redisCacheConfiguration.prefixCacheNameWith(redisProperties.getKeyPrefix());
        }
        if (!redisProperties.isCacheNullValues()) {
            redisCacheConfiguration = redisCacheConfiguration.disableCachingNullValues();
        }
        if (!redisProperties.isUseKeyPrefix()) {
            redisCacheConfiguration = redisCacheConfiguration.disableKeyPrefix();
        }
        return redisCacheConfiguration;
    }

}
